Methylcychlohexanol CH3C6H10OH NO.119
119


Performance

Measuring Range

5 to 100 ppm

Number of Pump Strokes

2

Correction Factor

1

Sampling Time

2 minutes per pump stroke

Detecting Limit

1 ppm (n=2)

Color Change

Yellow Pale blue

Reaction Principle

Methyl Cyclohexanol reduces potassium dichromate to
form chromic sulfate, which is pale blue in color
CH3C6H10OH + K2Cr2O7 + H3PO4 Cr2(SO4)3
Coefficient of Variation 10% (for 5 to 50 ppm), 5% (for 50 to 250 ppm)
Shelf Life 2 Years
Corrections for
temperature & humidity		 Temperature correction is necessary
Store the tubes at cool and dark place.


Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change color by itself

Alcohols

 -

Plus error

Produce pale blue stain by themselves.

Aromatic HCs

 -

Plus error

Produce pale blue stain by themselves


Calibration gas generation Vaper pressure method


TLV-TWA TLV-STEL Explosive range
50ppm - 1% or higher

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